Optimal Signal-to-Quantum Noise Ratio for Nonclassical Number States

Details Optimal Signal-to-Quantum Noise Ratio for Nonclassical Number States Optimal Signal-to-Quantum Noise Ratio for Nonclassical Number States

1997-12-09

arxiv.org/abs/quant-ph/9712020v2

Opt.Commun. 152 (1998) 299-301

Physics

Quantum Physics

7 Page (LaTeX), 1 figure(Postscript); changed body of paper

Scientific paper

10.1016/S0030-4018(98)00202-8

We analyze the properties of nonclassical number states, specifically
squeezed number states D(a)S(z)|n >, and find their maximum signal-to-quantum
noise ratio. It is shown that the optimal signal-to-quantum noise ratio for
these states decreases as 1/(2n+1)2, where n is the photon number, from the
optimal value as derived by Yuen.

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